<template>
  <div class="role-container">
    <div class="left-wrapper">
      <div v-for="(item, index) in roleList" :key="item.roleId" class="role-item" :class="{active: activeIndex === index }" @click="mounChange(index)">
        <div class="role-info">
          <svg-icon :icon-class="activeIndex === index ? 'user-active' : 'user'" class="icon" />
          {{ item.roleName }}
        </div>
        <div class="more">

          <el-dropdown>
            <span class="el-dropdown-link">
              <svg-icon icon-class="more" />
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item @click.native="$router.push(`/roleAdd?id=${item.roleId}`)">编辑角色</el-dropdown-item>
              <el-dropdown-item @click.native="deleteRoleUser(item.roleId)">删除</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
      </div>
      <el-button class="addBtn" size="mini" @click="$router.push('/roleAdd')">添加角色</el-button>
    </div>

    <el-tabs v-model="activeName">
      <el-tab-pane label="功能权限" name="tree">
        <div class="right-wrapper">
          <div class="tree-wrapper">
            <div v-for="item in treeList" :key="item.id" class="tree-item">
              <div class="tree-title"> {{ item.title }} </div>
              <el-tree
                ref="tree"
                :data="item.children"
                :props="defaultProps"
                show-checkbox
                node-key="id"
              />
            </div>
          </div>
        </div>
      </el-tab-pane>
      <el-tab-pane :label="`成员(${total})`" name="user">
        <div class="user-wrapper">
          <el-table
            :data="roleUserList"
            style="width: 100%"
          >
            <el-table-column
              type="index"
              width="250"
              label="序号"
            />
            <el-table-column
              prop="name"
              label="员工姓名"
            />
            <el-table-column
              prop="userName"
              label="登录账号"
            />
          </el-table>
        </div>
      </el-tab-pane>

    </el-tabs>
  </div>
</template>

<script>
import { getRoleListAPI, getTreeListAPI, getRoleDetailAPI, getRoleUserAPI, deleteRoleUserAPI } from '@/api/system'
export default {
  name: 'Role',
  data() {
    return {
      roleList: [],
      // 默认打开tree
      activeName: 'tree',
      treeList: [],
      roleUserList: [],
      total: 0,
      perms: [], // 当前角色权限点列表
      activeIndex: 0,
      defaultProps: {
        children: 'children',
        label: 'title'
      }
    }
  },
  async mounted() {
    await this.getRoleList()
    await this.getTreeList()
    this.getRoleDetail(this.roleList[0].roleId)
  },
  methods: {
    async getRoleList() {
      const res = await getRoleListAPI()
      this.roleList = res.data
    },
    async getTreeList() {
      const res = await getTreeListAPI()
      this.treeList = res.data
      this.addDisabled(this.treeList)
    },
    async getRoleUserList(roleId) {
      const res = await getRoleUserAPI(roleId)
      this.roleUserList = res.data.rows
      this.total = res.data.total
    },
    mounChange(index) {
      this.activeIndex = index
      const roleId = this.roleList[index].roleId
      this.getRoleDetail(roleId)
      this.getRoleUserList(roleId)
    },
    async getRoleDetail(roleId) {
      console.log(`roleId:${roleId}`)
      const res = await getRoleDetailAPI(roleId)
      this.perms = res.data.perms
      const treeComponentList = this.$refs.tree
      treeComponentList.forEach((tree, index) => {
        tree.setCheckedKeys(this.perms[index])
      })
    },
    // 递归处理函数
    addDisabled(treeList) {
      treeList.forEach(item => {
        item.disabled = true
        if (item.children) {
          this.addDisabled(item.children)
        }
      })
    },
    async deleteRoleUser(roleId) {
      await deleteRoleUserAPI(roleId)
      await this.getRoleList()
      this.$message.success('删除用户成功')
    }
  }
}
</script>

<style scoped lang="scss">
.role-container {
  display: flex;
  font-size: 14px;
  background-color: #fff;
  padding: 20px;

  .left-wrapper {
    width: 200px;
    border-right: 1px solid #e4e7ec;
    padding: 4px;
    text-align: center;

    .role-item {
      position: relative;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      cursor: pointer;

      &.active {
        background: #edf5ff;
        color: #4770ff;
      }
    }

    .role-info {
      display: flex;
      align-items: center;

      .icon {
        margin-right: 10px;
      }
    }

    .more {
      display: flex;
      align-items: center;
    }

    .addBtn {
      width: 100%;
      margin-top: 20px;
    }
  }

  .right-wrapper {
    flex: 1;

    .tree-wrapper {
      display: flex;
      justify-content: space-between;

      .tree-item {
        flex: 1;
        border-right: 1px solid #e4e7ec;
        padding: 0px 4px;
        text-align: center;

        .tree-title {
          background: #f5f7fa;
          text-align: center;
          padding: 10px 0;
          margin-bottom: 12px;
        }
      }
    }

    ::v-deep .el-tabs__nav-wrap {
      padding-left: 20px;
    }

    .user-wrapper {
      padding: 20px;
    }
  }
}
</style>
